E92p — King’s Indian: Petrosian, 7…c5 8.Bg5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 c5 8.Bg5 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5.

Atouts. Les Blancs s'appuient sur la case forte b5, un fou actif en g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte g4.

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Le fou enfermé en e2 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c4→d5, e4→d5	● d6→c5, d6→e5, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● g4 (2v0)
Cases faibles	● d4	● d5
Centre	● d5 (4v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Enfermé (mob. 2)
Bg5	● Bg5 Actif (mob. 7)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé

Partie
1957 URS Ch, semi final – Round 7 – Petrosian, Tigran A. – 1-0 – Nikolaevsky, Yuri V – G62 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bd2 Ne8 10. h4 f5
1958 YUG Ch sf – Round 8 – Sokolov, Vladimir – 1/2-1/2 – Vasiljevic, Milos – G24 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 h6 9. Bh4 Bg4 10. h3 Bxf3
1959 Buenos Aires VC – Round 4 – Bolbochan, J. – 1/2-1/2 – Schweber – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 c5 8. Bg5 a6 9. Nd2 Qe8 10. O-O h6
1960 Mar del Plata – Round 4 – Aguilera Bazan, Oscar – 1-0 – Alvarez del Monte, Jose – G47 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Nc7
1960 Moscow-Leningrad m – Round 1.16 – Geller, Alexander – 1/2-1/2 – Liberzon, Vladimir M – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 c5 6. d5 d6 7. Be2 e5 8. Bg5 h6 9. Bh4 a6 10. a4 Qc7
1960 Sarajevo – Round 11 – Pachman, Ludek – 1-0 – Smailbegovic, Hasan – G58 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 c5 8. Bg5 h6 9. Bd2 a6 10. a3 Nh5
1961 Baku ch-URS – Round 17 – Polugaevsky, Lev – 1-0 – Vasiukov, Evgeni – G155 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1961 Bled – Round 16 – Pachman, Ludek – 0-1 – Ivkov, Borislav – G143 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bd2 a6 10. a3 Ne8
1961 Bled – Round 3 – Ivkov, Borislav – 0-1 – Geller, Efim P – G33 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1961 New York ch-USA – Round 10 – Byrne, Ray – 1-0 – Sherwin, James T – G48 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1962 Argentina – Round 1 – Sanguinetti, Raul – 1-0 – Schweber, Samuel – G7 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1962 Argentina – Round 2 – Cruz, Raul C. – 1-0 – Garcia Rodriguez, Raimundo – G13 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1962 Bucharest – Round 15 – Gheorghiu, Florin – 1-0 – Pavlov, Mircea-Sergiu-Aurelian – G76 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 Na6 9. Qd2 Nc7 10. O-O Qe8
1962 Capablanca Memorial – Round 12 – Najdorf, Miguel – 1-0 – Matanovic, Aleksandar – G117 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Ne8
1962 Capablanca Memorial – Round 9 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Ivkov, Borislav – G83 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Ne8
1962 Marianske Lazne – Round 1 – Thorbergsson, Freysteinn – 0-1 – Taimanov, Mark E – G5 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. e4 d6 7. Be2 e5 8. Bg5 h6 9. Bxf6 Qxf6 10. h4 a6
1962 Poznan ch POL – Round 7 – Balcerowski, Witold – 1/2-1/2 – Doda, Zbigniew – G39 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1962 Sarajevo – Round 4 – Ivkov, Borislav – 1/2-1/2 – Bogdanovic, Radivoje – G29 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 a6
1962 Skopje ch17-YUG – Round 1 – Lukic, Arsenije – 0-1 – Matanovic, Aleksandar – G22 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bd2 a6 10. Qc1 Kh7
1962 URS Team Ch – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Geller, Efim P – G29 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1962 URS-ch30 sf Novosibirsk – Round 6 – Lapienis, Donatas – 1/2-1/2 – Gufeld, Eduard – G9 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qd7 10. Nd2 Na6
1962 Varna olm – Round 6 – Lokvenc, Josef – 0-1 – Geller, Efim P – G250 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 h6 9. Bh4 a6 10. Nd2 Nbd7
1962 Vrnjacka Banja – Round 6 – Gligorić, Svetozar – 1/2-1/2 – Velimirovic, Dragoljub – G61 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Nf3 d6 7. Be2 e5 8. Bg5 h6 9. Bh4 Qd7 10. Nd2 Nh7
1963 Budapest ch-HUN – Round 1 – Portisch, Lajos – 1-0 – Sapi, Laszlo – G99 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Bg5 c5 7. d5 e5 8. Be2 h6 9. Bd2 Nh5 10. g3 Na6
1963 Capablanca Memorial – Round 14 – Ivkov, Borislav – 1/2-1/2 – Korchnoi, Viktor – G130 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1963 IBM – Round 5 – Donner, Jan-Hein – 1/2-1/2 – Czerniak, Moshe – G18 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Nbd7 10. O-O g5
1963 Liberation – Round 1 – Cobo Arteaga, Eldis – 0-1 – Velimirovic, Dragoljub – G3 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Nf3 d6 7. Be2 e5 8. Bg5 h6 9. Bh4 Qd7 10. Nd2 Ne8
1963 Piatigorsky Cup – Round 7 – Benko, Pal – 1-0 – Najdorf, Miguel – G14 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1963 Zenica ch YUG – Round 9 – Sokolov, Vladimir – 0-1 – Gojak, Ilija – G44 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Ne8
1964 Amsterdam Interzonal – Round 4 – Portisch, Lajos – 1-0 – Stein, Leonid – G5 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bd2 Nh5 10. Qc1 Kh7
1964 Buenos Aires – Round 11 – Rubinetti, Jorge – 0-1 – Najdorf, Miguel – G97 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 a6
1964 Kecskemet zt – Round 1 – Pachman, Ludek – 1/2-1/2 – Langeweg, Kick – G19 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 a6
1964 Sarajevo 07th – Round 13 – Uhlmann, Wolfgang – 1-0 – Ciocaltea, Victor – G32 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qc7
1964 Tel Aviv olm fin-B – Round 6 – Johannessen, Simon T – 1-0 – Yepez, Olavo – G77 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be2 O-O 6. Nf3 e5 7. d5 c5 8. Bg5 h6 9. Bh4 a6 10. Nd2 Nbd7
1964 Tel Aviv olm prel – Round 3 – Vranesic, Zvonko – 0-1 – Schweber, Samuel – G24 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bd2 Kh7 10. Qc2 a6
1964 WchT U26 11. fin-A – Round 1.1 – Bukic, Enver – 1/2-1/2 – Hort, Vlastimil – G1 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 a6
1965 Hamburg etc – Round 2 – Gligorić, Svetozar – 1-0 – Langeweg, Kick – G19 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1965 Hungary – Round 1 – Navarovszky, Laszlo – 0-1 – Honfi, K. – G55 1. d4 Nf6 2. c4 g6 3. d5 Bg7 4. Nc3 c5 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Nc7
1965 Mar del Plata – Round 10 – Rossetto, Hector – 1/2-1/2 – Najdorf, Miguel – G79 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. O-O Nh5
1965 SWE Ch – Round 9 – Jansson, Borje – 1-0 – Krantz, Kjell – G27 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 Na6 9. Nd2 Nc7 10. a3 b6
1965 WchT U26 12. fin-A – Round 6 – Pedersen, Svend – 1/2-1/2 – Khodos, German – G32 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bd2 Ne8 10. Qc1 Kh7
1966 Aarhus – Round 10 – Holm, Sejer – 1-0 – Jakobsen, Ole – G51 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bd2 Nh5 10. Qc1 Kh7
1966 Asztalos Memorial 9th – Round 15 – Barczay, Laszlo – 1/2-1/2 – Bilek, Istvan – G76 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Nf6 5. e4 O-O 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 a6
1966 Bucharest – Round 1 – Soos, Bela – 1-0 – ? – G4 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 e5 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. Bg5 h6 9. Bd2 Ne8 10. Qc1 Kh7
1966 Harrachov – Round 1 – Pachman, Ludek – 1-0 – Taimanov, Mark E – G3 1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 Nf6 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qe8
1966 Kislovodsk – Round 9 – Hamann, Svend – 1/2-1/2 – Kholmov, Ratmir D – G50 1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nf3 d6 5. c4 Nf6 6. Nc3 O-O 7. Be2 e5 8. Bg5 h6 9. Be3 Ng4 10. Bd2 f5
1966 La Habana ol – Round ? – Panno, Oscar – 1/2-1/2 – Bobocov, M. – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. d5 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1966 La Habana ol – Round ? – Panno, Oscar – 1/2-1/2 – Rodriguez Vargas, Orestes – G6 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Nf3 e5 7. Be2 O-O 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qe8
1966 La Habana olm fin-A – Round 10 – Panno, Oscar – 1/2-1/2 – Rodriguez Gonzales, Jesus – G179 1. c4 g6 2. d4 Nf6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qe8
1966 La Habana olm fin-A – Round 7 – Bobotsov, Milko G – 1/2-1/2 – Panno, Oscar – G17 1. c4 g6 2. d4 Nf6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1966 La Habana olm fin-A – Round 8 – Pachman, Ludek – 1/2-1/2 – Najdorf, Miguel – G141 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1966 La Habana olm fin-A – Round 9 – Gligorić, Svetozar – 1-0 – Jimenez Zerquera, Eleazar – G162 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Nf3 e5 7. Be2 O-O 8. Bg5 h6 9. Bh4 a6 10. O-O Qe8
1966 Panamerican – Round 1 – Cuartas, Carlos Enrique – 0-1 – Bielicki, Carlos – G22 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qc7
1966 Rio Hondo zt – Round 7 – De Souza Mendes, Joao – 0-1 – Panno, Oscar – G35 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bd2 Ne8 10. O-O f5
1966 Sochi Chigorin Memorial 04th – Round 10 – Bobotsov, Milko G – 1-0 – Barcza, Gedeon – G39 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1966 Tbilisi – Round 1 – Dzindzichashvili, Roman – 1-0 – Jansa, Vlastimil – G1 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1966 Titovo Uzice – Round 1 – Ree, Hans – 1/2-1/2 – Janosevic, Dragoljub – G16 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1967 Capablanca Memorial – Round 8 – Polugaevsky, Lev – 1-0 – Letelier Martner, Rene – G69 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 a6 10. Nd2 Nbd7
1967 Clare Benedict Cup 14th – Round 2.4 – Diez del Corral, Jesus – 1/2-1/2 – Besser, Hans – G9 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 a6 10. a4 Qa5
1967 Harrachov – Round 1 – Hamann, Svend – 0-1 – Velimirovic, Dragoljub – G6 1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qd7 10. O-O Nh5
1967 Maribor – Round 13 – Addison, Wiliam G – 1-0 – Janosevic, Dragoljub – G70 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Nc7
1967 Reggio Emilia 6768 10th – Round 5 – Navarovszky, Laszlo – 1-0 – Albano, Marco – G17 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1967 Vrnjacka Banja zt – Round 10 – Hamann, Slawomir – 1/2-1/2 – Ivkov, Borislav – G67 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1968 Bamberg – Round 1 – Toran Albero, Roman – 1/2-1/2 – Kestler, Hans-Guenther – G3 1. d4 c5 2. d5 d6 3. c4 e5 4. e4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Nf3 O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5
1968 Lugano olm - Round 1 - Jansson, Bengt - 0-1 - Panno, Oscar - G88 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1968 Lugano olm - Round 1 - Toran Albero, Roman - 1/2-1/2 - Doda, Zbigniew - G356 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 Re8
1968 Manila – Round 11 – Gligorić, Svetozar – 1-0 – Rasmussen Poul – G20 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. Bg5 h6 9. Bh4 a6 10. Nd2 Nbd7
1968 Mar del Plata ch-ARG – Round 7 – Colque Ocampo, Rudy – 0-1 – Panno, Oscar – G47 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1968 Mar del Plata ch-ARG – Round 9 – Colque Ocampo, Rudy – 0-1 – Najdorf, Miguel – G58 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 a6
1968 Palma de Mallorca – Round 15 – Petrosian, Tigran A. – 1-0 – Meduna, Eduard – G131 1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. Be2 e5 8. Bg5 Na6 9. Nd2 Nc7 10. h4 h6
1968 Skopje/Ohrid – Round 17 – Gheorghiu, Florin – 1/2-1/2 – Geller, Efim P – G140 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
1969 Mar del Plata zt – Round 1 – Bronstein, Luis Marcos – 0-1 – Alfaro Quinteros, Arturo Elizur – G15 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Qc7 10. O-O Nh7
1969 Moskou ch-URS – Round 1 – Averkin, Orest N – 0-1 – Stein, Leon Rico – G41 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 a6
1969 Palma de Mallorca – Round 17 – Mecking, Henrique – 1/2-1/2 – Corral, Jose – G146 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qe8
1969 YUG Ch 24th – Round 20 – Bukic, Enver – 1/2-1/2 – Ivanovic, Bozidar – G74 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 Re8
1972 Skopje ol (Men) fin-A – Round 11 – Ree, Hans – 1-0 – Ornstein, Axel – G186 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 Qe8 10. Nd2 Nh7
1972 Skopje ol (Men) fin-A – Round 2 – Ree, Hans – 1-0 – Hamann, Svend – G102 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. Bg5 h6 9. Bh4 Nbd7 10. Nd2 a6
1974 Manila – Round 1 – Naranja, Renato – 1-0 – Gheorghiu, Florin – G16 1. c4 g6 2. Nf3 Bg7 3. d4 c5 4. d5 d6 5. Nc3 Nf6 6. e4 O-O 7. Be2 e5 8. Bg5 h6 9. Bxf6 Bxf6 10. h4 a6
Petropolis Interzonal 1973 – Round 13 – Geller, Efim P – 1-0 – Hug, Werner – G54 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Qc7 10. Nd2 Nh7
Petropolis Interzonal 1973 – Round 15 – Geller, Efim P – 1-0 – Ljubojevic, Ljubomir – G65 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8

E92p — Petrosian

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 c5 8.Bg5

Les coups candidats

8…h6 — 87.1% (371 parties)

Ambassadeurs : Panno, Oscar (13x), Ivkov, Borislav (11x), Quinteros, Miguel A. (11x), Velimirovic, Dragoljub (9x), Najdorf, Miguel (8x), Geller, Efim P. (7x), Gligorić, Svetozar (6x), Bukic, Enver (6x)

8…a6 — 4.7% (20 parties)

Ambassadeurs : Cooper, John G (2x), Bolbochan, J. (1x), Schweber (1x), Jamieson, Peter M (1x), Kozma, Julius (1x), Pedersen, Karl (1x), Mahdia, Farage (1x), Filippi, Lamberto (1x)

8…Nbd7 — 2.6% (11 parties)

Ambassadeurs : Secondi, Alberto (3x), Riemer, Wolfgang (1x), Miller III, Raymond (1x), Stiemer, Soenke (1x), Wink Arne (1x), Pap, Janos (1x), Galgovics, Andras (1x), Di Salvo, Yamil (1x)

8…Na6 — 2.3% (10 parties)

Ambassadeurs : Petrosian, Tigran A. (1x), Meduna, Eduard (1x), Gheorghiu, Florin (1x), Pavlov, Mircea-Sergiu-Aurelian (1x), Jansson, Borje (1x), Krantz, Kjell (1x), Grassel, Johann (1x), Huber, Josef (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…h6	8…a6	8…Nbd7	8…Na6
<1800	6	33%	—	33%	17%
1800-2200	86	78%	12%	3%	2%
2200-2600	168	93%	1%	—	3%
2600+	4	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…h6	8…a6	8…Nbd7	8…Na6
1950s	6	83%	17%	—	—
1960s	98	97%	—	—	3%
1970s	56	95%	4%	—	—
1980s	36	89%	3%	6%	—
1990s	61	79%	10%	3%	2%
2000s	87	80%	8%	3%	2%
2010s	78	83%	4%	5%	5%
2020s	4	75%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…h6	83%	75%	▼ -8.3%
8…a6	4%	0%	▼ -3.8%
8…Nbd7	5%	0%	▼ -5.1%
8…Na6	5%	0%	▼ -5.1%

Parties historiques

8…h6 — 87.1% (371 parties)

1957 — Petrosian, Tigran A. vs Nikolaevsky, Yuri V — 1-0 — Kiev UKR
1958 — Portisch, Ferenc vs Bobotsov — 1-0 — Balatonfured
1958 — Portisch, Lajos vs Bobotsov, Milko G — 1-0 — Balantonfured
1958 — Sokolov, Vladimir vs Vasiljevic, Milos — 1/2-1/2 — Tuzla
1959 — Todorova, Paunka vs Zvorykina, Kira — 0-1 — Plovdiv BUL

8…a6 — 4.7% (20 parties)

1959 — Bolbochan, J. vs Schweber — 1/2-1/2 — Buenos Aires ARG
1970 — Kozma, Julius vs Pedersen, Karl — 1/2-1/2 — Kapfenberg AUT
1974 — Cooper, John G vs Jamieson, Peter M — 1-0 — Nice FRA
1988 — Cooper, John G vs Mahdia, Farage — 1-0 — Thessaloniki GRE
1990 — Penttinen, Jarkko vs Makinen, Juha — 1/2-1/2 — Tampere,FIN

8…Nbd7 — 2.6% (11 parties)

1989 — Riemer, Wolfgang vs Miller III, Raymond — 1-0 — corr WCCF WWO
1989 — Stiemer, Soenke vs Wink Arne — 1-0 — Bargteheide
1995 — Di Salvo, Yamil vs Alvarez, Jorge Horacio — 0-1 — ?
1999 — Pap, Janos vs Galgovics, Andras — 0-1 — Godal mem HUN
2003 — Lewis, Matt vs Zarate, Edilberto — 1-0 — IECC

8…Na6 — 2.3% (10 parties)

1962 — Gheorghiu, Florin vs Pavlov, Mircea-Sergiu-Aurelian — 1-0 — Bucharest ROU
1965 — Jansson, Borje vs Krantz, Kjell — 1-0 — Falkoeping
1968 — Petrosian, Tigran A. vs Meduna, Eduard — 1-0 — Palma de Majorca ESP
1999 — Grassel, Johann vs Huber, Josef — 1-0 — Schwarzach
2002 — Giampa, Alejandro vs Heinecke, Victor — 1-0 — Buenos Aires ARG

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